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Add a typeless put mapping method to the HLRC.
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224
client/rest-high-level/src/main/java/org/elasticsearch/client/indices/PutMappingRequest.java
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| /* | ||
| * Licensed to Elasticsearch under one or more contributor | ||
| * license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright | ||
| * ownership. Elasticsearch licenses this file to you under | ||
| * the Apache License, Version 2.0 (the "License"); you may | ||
| * not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
|
|
||
| package org.elasticsearch.client.indices; | ||
|
|
||
| import com.carrotsearch.hppc.ObjectHashSet; | ||
| import org.elasticsearch.ElasticsearchGenerationException; | ||
| import org.elasticsearch.action.IndicesRequest; | ||
| import org.elasticsearch.action.support.IndicesOptions; | ||
| import org.elasticsearch.client.TimedRequest; | ||
| import org.elasticsearch.common.Strings; | ||
| import org.elasticsearch.common.bytes.BytesArray; | ||
| import org.elasticsearch.common.bytes.BytesReference; | ||
| import org.elasticsearch.common.xcontent.ToXContent; | ||
| import org.elasticsearch.common.xcontent.ToXContentObject; | ||
| import org.elasticsearch.common.xcontent.XContentBuilder; | ||
| import org.elasticsearch.common.xcontent.XContentFactory; | ||
| import org.elasticsearch.common.xcontent.XContentType; | ||
|
|
||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.util.Map; | ||
|
|
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| /** | ||
| * Put a mapping definition into one or more indices. If an index already contains mappings, | ||
| * the new mappings will be merged with the existing one. If there are elements that cannot | ||
| * be merged, the request will be rejected. | ||
| */ | ||
| public class PutMappingRequest extends TimedRequest implements IndicesRequest, ToXContentObject { | ||
|
|
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| private static ObjectHashSet<String> RESERVED_FIELDS = ObjectHashSet.from( | ||
| "_uid", "_id", "_type", "_source", "_all", "_analyzer", "_parent", "_routing", "_index", | ||
| "_size", "_timestamp", "_ttl", "_field_names" | ||
| ); | ||
|
|
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| private final String[] indices; | ||
| private IndicesOptions indicesOptions = IndicesOptions.fromOptions(false, false, true, true); | ||
|
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| private BytesReference source; | ||
| private XContentType xContentType; | ||
|
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| /** | ||
| * Constructs a new put mapping request against one or more indices. If no indices | ||
| * are provided then it will be executed against all indices. | ||
| */ | ||
| public PutMappingRequest(String... indices) { | ||
| this.indices = indices; | ||
| } | ||
|
|
||
| /** | ||
| * The indices into which the mappings will be put. | ||
| */ | ||
| @Override | ||
| public String[] indices() { | ||
| return indices; | ||
| } | ||
|
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||
| @Override | ||
| public IndicesOptions indicesOptions() { | ||
| return indicesOptions; | ||
| } | ||
|
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| public PutMappingRequest indicesOptions(IndicesOptions indicesOptions) { | ||
| this.indicesOptions = indicesOptions; | ||
| return this; | ||
| } | ||
|
|
||
| /** | ||
| * The mapping source definition. | ||
| */ | ||
| public BytesReference source() { | ||
| return source; | ||
| } | ||
|
|
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| /** | ||
| * The {@link XContentType} of the mapping source. | ||
| */ | ||
| public XContentType xContentType() { | ||
| return xContentType; | ||
| } | ||
|
|
||
| /** | ||
| * A specialized simplified mapping source method, takes the form of simple properties definition: | ||
| * ("field1", "type=string,store=true"). | ||
| * | ||
| * Also supports metadata mapping fields such as `_all` and `_parent` as property definition, these metadata | ||
| * mapping fields will automatically be put on the top level mapping object. | ||
| */ | ||
| public PutMappingRequest source(Object... source) { | ||
| return source(buildFromSimplifiedDef(source)); | ||
| } | ||
|
|
||
| /** | ||
| * @param source A list of objects representing field andproperties pairs (e.g. "field", "type=keyword"). | ||
| * | ||
| * @throws IllegalArgumentException if the number of the source arguments is not divisible by two. | ||
| * @return the mappings definition | ||
| */ | ||
| private static XContentBuilder buildFromSimplifiedDef(Object... source) { | ||
| if (source.length % 2 != 0) { | ||
| throw new IllegalArgumentException("mapping source must be pairs of field names and properties definitions."); | ||
| } | ||
| try { | ||
| XContentBuilder builder = XContentFactory.jsonBuilder(); | ||
| builder.startObject(); | ||
|
|
||
| for (int i = 0; i < source.length; i++) { | ||
| String fieldName = source[i++].toString(); | ||
| if (RESERVED_FIELDS.contains(fieldName)) { | ||
| builder.startObject(fieldName); | ||
| String[] s1 = Strings.splitStringByCommaToArray(source[i].toString()); | ||
| for (String s : s1) { | ||
| String[] s2 = Strings.split(s, "="); | ||
| if (s2.length != 2) { | ||
| throw new IllegalArgumentException("malformed " + s); | ||
| } | ||
| builder.field(s2[0], s2[1]); | ||
| } | ||
| builder.endObject(); | ||
| } | ||
| } | ||
|
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| builder.startObject("properties"); | ||
| for (int i = 0; i < source.length; i++) { | ||
| String fieldName = source[i++].toString(); | ||
| if (RESERVED_FIELDS.contains(fieldName)) { | ||
| continue; | ||
| } | ||
|
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| builder.startObject(fieldName); | ||
| String[] s1 = Strings.splitStringByCommaToArray(source[i].toString()); | ||
| for (String s : s1) { | ||
| String[] s2 = Strings.split(s, "="); | ||
| if (s2.length != 2) { | ||
| throw new IllegalArgumentException("malformed " + s); | ||
| } | ||
| builder.field(s2[0], s2[1]); | ||
| } | ||
| builder.endObject(); | ||
| } | ||
| builder.endObject(); | ||
| builder.endObject(); | ||
| return builder; | ||
| } catch (Exception e) { | ||
| throw new IllegalArgumentException("failed to generate simplified mapping definition", e); | ||
| } | ||
| } | ||
|
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| /** | ||
| * The mapping source definition. | ||
| * | ||
| * Note that the definition should *not* be nested under a type name. | ||
| */ | ||
| public PutMappingRequest source(Map<String, ?> mappingSource) { | ||
| try { | ||
| XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON); | ||
| builder.map(mappingSource); | ||
| return source(builder); | ||
| } catch (IOException e) { | ||
| throw new ElasticsearchGenerationException("Failed to generate [" + mappingSource + "]", e); | ||
| } | ||
| } | ||
|
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| /** | ||
| * The mapping source definition. | ||
| * | ||
| * Note that the definition should *not* be nested under a type name. | ||
| */ | ||
| public PutMappingRequest source(String mappingSource, XContentType xContentType) { | ||
| this.source = new BytesArray(mappingSource); | ||
| this.xContentType = xContentType; | ||
| return this; | ||
| } | ||
|
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| /** | ||
| * The mapping source definition. | ||
| * | ||
| * Note that the definition should *not* be nested under a type name. | ||
| */ | ||
| public PutMappingRequest source(XContentBuilder builder) { | ||
| this.source = BytesReference.bytes(builder); | ||
| this.xContentType = builder.contentType(); | ||
| return this; | ||
| } | ||
|
|
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| /** | ||
| * The mapping source definition. | ||
| * | ||
| * Note that the definition should *not* be nested under a type name. | ||
| */ | ||
| public PutMappingRequest source(BytesReference source, XContentType xContentType) { | ||
| this.source = source; | ||
| this.xContentType = xContentType; | ||
| return this; | ||
| } | ||
|
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||
| @Override | ||
| public XContentBuilder toXContent(XContentBuilder builder, ToXContent.Params params) throws IOException { | ||
| if (source != null) { | ||
| try (InputStream stream = source.streamInput()) { | ||
| builder.rawValue(stream, XContentType.JSON); | ||
| } | ||
| } else { | ||
| builder.startObject().endObject(); | ||
| } | ||
| return builder; | ||
| } | ||
| } |
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